| 1
CONTACT PERSON |
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1.1
Name |
Dr.
Z Boli Baboule |
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1.2
Address |
IRA,
BP 163 Foumbot, Cameroon. |
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1.3
Tel |
+237
40 1401 |
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1.4
Fax |
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1.5
E-mail |
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1.6
List other researchers involved: |
Bep
A Ziem, IRA BP 33, Foumbot, Cameroon. Eric Roose ORSTOM BP 5045,
Montpellier. |
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| 2
WATER EROSION |
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|
2.1
mm2 - cm2: |
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2.2
m2: |
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2.3
runoff plot 100, 200 and 1000 m2 |
interrill |
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small
catchments (< 100 ha): |
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| 3
WIND EROSION |
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| 4
MASS MOVEMENTS |
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| 5
TILLAGE EROSION |
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Spatial
scale considered: |
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| 6
TEMPORAL SCALE OF EXPERIMENTS |
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6.5
years: |
Based
on the length of the rainy season. |
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6.6
remarks: |
Due
to inter-annual variation of rainfall, many years observations
are needed. |
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| 7
DESCRIPTION OF EROSION FACTORS STUDIED |
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|
7.1
Climate: |
Rainfall
(amount, intensity and frequency). |
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7.2
Topography: |
Slope
length and slope angle. |
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7.3
Soils: |
Old
vs. newly cleared lands on sandy alfisols Sudanese zone, North
Cameroon. |
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7.4
Vegetation: |
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|
7.5
Management: |
Conventional
and reduced tillage. |
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7.6
Others: |
Soil
cover is organic mulch or plastic mesh. |
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| 8
FIELD EXPERIMENTS Description of the field site and
of the type of experiments and equipment involved for each of
the erosion processes being studied: |
|
8.1
Erosion process: |
Runoff,
sediments, suspensions, crop yield, rainfall and soil moisture
are recorded/measured. |
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8.2
Location (town, state, country): |
Mbissiri,
Northern Province, Cameroon. |
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8.3
Equipment involved: |
Rain
guage (daily rotation); humidimeter, oven, scales balances,
motor pumps, electronic scale balanced. |
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8.4
Remarks: |
Different
small materials needed. |
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| 9
LABORATORY EXPERIMENTS Description of the laboratory
and the type of experiments and equipment involved for each
of the erosion processes studied: |
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|
The
experiment consist of runoff plots with size of 100 m2
(5x20), 200 m2 (5x40) and 1080 m2 (18x60).
The main two sites are about 1000 m apart, each site having
a rainfall station with one rain recorder. (Daily rotation).
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| 10
REMARKS |
- |
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| 11
LIST RELEVANT PUBLICATIONS |
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|
Boli,
Z.; Ziem, B.A. and Roose, E. (1994). Impact of Erosion on the
productivity of Sandy alfisols under intensive cotton/maize
cultivation in the Sudanese Savannah Zone of the Northern Cameroon:
8th ISCU Conference New-Delhi, 4-8 Dec. 1994.
Boli,
Z.; Ziem, B.A. and Roose, E. Degradation. Erosion et restoration
d'un sol ferrer gineux tropical sableux sous rotation intensive
cotonnier/maïs en zone Sudanese, Northern Cameroon. Submitted
to Aah. Pedo. ORSTOM.
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